Home / 948,045.07-1,308,302.22-518,325.22

Finding the Fourth Proportional to 948,045.07, 1,308,302.22 and 518,325.22

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Solution

The fourth proportional to 948,045.07, 1,308,302.22 and 518,325.22 is: 715,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,045.07 : 1,308,302.22 = 518,325.22 : x
  2. Step 2: Convert to fraction form
    948,045.07/1,308,302.22 = 518,325.22/x
  3. Step 3: Cross multiply
    948,045.07x = 1,308,302.22 × 518,325.22
  4. Step 4: Simplify right side
    948,045.07x = 678,126,036,007.99
  5. Step 5: Solve for x
    x = 678,126,036,007.99/948,045.07
  6. Step 6: Final answer
    x = 715,288.82

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.